抄録
Blood samples were collected from 76 Hachijo's inhabitants and the specific gravity and the contents of its inorganic and organic components, namlly, total serum calcium, inorganic phosphate, serum protein, albumin, and globulin were compared with those of inhabitants dwelling in nutritively improved area (area of Suginami.Nishi Health Centre, Tokyo) and it was found that total calcium and dialyzable calcium of Hachijo's inhabitants were definitely low.
